Finding the Fourth Proportional to 78,045.33, 107,702.82 and 42,235.33

Step by Step Solution

1. Step 1: Write the proportion equation
   78,045.33 : 107,702.82 = 42,235.33 : x
2. Step 2: Convert to fraction form
   78,045.33/107,702.82 = 42,235.33/x
3. Step 3: Cross multiply
   78,045.33x = 107,702.82 × 42,235.33
4. Step 4: Simplify right side
   78,045.33x = 4,548,864,144.63
5. Step 5: Solve for x
   x = 4,548,864,144.63/78,045.33
6. Step 6: Final answer
   x = 58,284.90